Building-block form



A fii 1926. 1,579,213

R. DILLE BUILDING BLOCK FORM Filed March 19 1923 [III-l 09 mmloz Gnome/1 Patented Apr. 6, 192%.

UNITED STATES ROSCO DILLE, OF CHESTERTON, INDIANA.

BUILDING-BLOCK FORM.

Application filed March 19, 1923. Serial No. 626,092.

To all whom it may concern:

Be it known that I, Rosco DILLE, a citizenof the United States, residing at Chesterton, in the county of Porter and State of Indiana, have invented certain new and useful Improvements in Building-Bloch Forms, of which the following is aspecification. I

My invention relates to improvements in building block forms, and it more especially consists of the features hereinafter pointed out in the annexed claims.

The purpose of my invention is to provide a separable building block form that is self-aligning; that produces an inside and outside block unit joined together with suitable tie pieces; that makes provision for a continuous air space in the finished blocks; that also permits of the formation of corner blocks and fractional length blocks; and that further insures the absolute continuity of an inner air space throughout the height and length of awall along straight sides, around corners, etc.

With these and other ends in view, I illustrate in the accompanying drawing such instances of adaptations as will disclose the broad and underlying features without limiting myself to the specific details shown thereon and described herein.

Figure 1 is a perspective of an assembled form.

Fig. 2 is a perspective view of the outer walls of the form separated from each other.

Fig. 3 is a plan view of Fig. 1. t

Fig. 4 is an elevation in section on line 4-4. of Fig. 3.

' Fig. 5 is a plan view of a mold with filler members to form fractional length 7 blocks.

Fig. 5 is a plan View of a mold for forming curved blocks. 7

' Fig. 53 is a plan view of a double capacity mold for forming two blocks at the same time.

F ig. 6 is a' plan view similar to Fig. 1

' showing the form as used to produce corner blocks.

Fig. 7 is a cross section of a finished block with the air space partition ready to be removed.

Fig. 8 is a plain'view of a mold for forming curved blocks.

Fig. 9 is a plan view of a double cavity mold for forming two blocks at a time. I

In practically carrying out my invention, I may construct my form of sheet or castmetal as desired. It essentially consists of two duplicate halves l composed of side portions 2 and shorter end portions 3. These are assembled so as to enclose a standard size building block space 8 x 8 x 16 inches more or less. They are held together in a self-aligning manner by means of tongues formed on each free end of the sides 2. These tongues enter slots 5 formed near the free end of each form end 3. Slots 6 are formed in the tongues lto receive wedges 7. These wedges serve to lock two halves of the form together in a very rigid manner and they are more quickly manipulated than if substitute expedients, such as screws, bolts, etc., are used; however, I do not, in the broadest sense, limit myself to any specific means for holding the form assembled.

The sides 2 of the form are reinforced by angles 8 so as to prevent their bulging outward when the cement is placed within the form. Handles 9 are secured to each of the ends 3 by means of which the forms are readily lifted about. On the inside of each of the ends 3 near the upper and lower edges, positioning blocks 10 are secured. These serveto locate the removable partitions 12 of the form which determine the Q location of the air space 18within the finished block 17. The partition walls 22, Fig. 6, are bent at right angles-to form the air space of corner blocks. Inthis case the partition walls 22 are positioned by blocks 10 on one of the ends 3 and a of blocks 11 on one of the sides 2.

I11 order to effectively tie the two halves of a finished block together permanently, non-rusting or other tie-pieces 16 having bent ends 24 are placed in the vertical slots 13 of the partitions 12 and 22, Fig. 4. These partitions are held spaced apart at the top by handles 14:, and near the bottom farther apart by distance piece 15. These distance members'may be pieces of tubing cut to length and threaded over bolts which are riveted to the partition walls. In" the pair case of Fig. 6 showing an adaptation of my form for producing end blocks, non-rusting used, wherein filler members 23'of wood or 7 any suitable material are simply dropped into one end of each side of the form so as to exclude the cement from such portions. \Vhen this expedient is used the cross bars 16 are omitted from slots 13 at this end of the form. The fillers 23 in cross section will be substantially the same as the cross section of the concrete 17 in Figs. st and 7.

An outstanding advantage of my invention is found in the possibility oi forming building blocks with a continual air space, so that moisture will be eliminated from the inner surtaces of walls. In using my term, I fill each side with the desired mixture to about the bottom edge of the slots 18, insert a tie-piece 16, continue the filling until the form is about three quarters full, more or less, insert another tic-piece and then completely fill the form. The partition walls 12 and 22 extend above the sides 2 and ends 3 so as to prevent the tilting material from running into the air space when the top edge of the block is smoothed off with a float. It is of course understood that the form is placed on a flat surface while it is being filled and on which it remains until the block has set the required length of time, after which the form halves 1 are taken away by removal of the wedges 7 while the block rests on a suitable support 19, Fig. '7, having an open channel 20 into which the partition members 12 or 22 dropwhen they are slight- 1y tapped with a hammer on their upper edge. This separation is facilitated by reason of the tapering relation of the partition walls.

By means of my form and the process of producing continuous air space building blocks, I secure results that have not hitherto been reached. My blocks may have combined therewith on their outer faces, kellastone, or pebbledash etlects or any desired configuration. By reason of my using a concentrated concrete consisting of, approximately. tour or five shovels full of sand to a half sack of cement, in contrast to the usual procedure of combining twelve or thirteen shovelsful of sand to the same quantity of cement for tamped blocks. my blocks are very impervious to moisture and when crushed stone or coarse gravel is included they become additionally rigid and strong.

In producing my blocks to accumulate a supply or tomeet large demands, I usually employ two sets of air space or partition members to one set of sides and ends so that while a moulded block is further seasoning. after the sides and ends have been removed and the partition walls still remain, the removed sides and ends are again assembled and put into use with another air space partition. If desired, additional partitions may be used in connection with one set of sides and ends.

As this invention is important to the entire building industry, I claim the meansthe process, and the product in the broadest sense.

From Fig. 5" it will be seen that submultiple lengths of any standard size block can be readily made. Following the same idea multiple lengths blocks can be made in one form, Fig. 5 whose sides 2 are made any desired length and thin tran-- vcrsc partition plates need only be inserted to divide the whole length into two or more block spaces. These may be held between projections on the wa is 1:2 or in any other way. When blocks are to be rscd to sustain the weight of large buildings I may make the relation of the block width to the air space ditiercnt from that shown by forming the same as much thicker as the increased load may require. In addition it the blocks are to be used for cylindrical structures such as silos, etc, the sides 26 may be made curved (Fig. 5 according to the radius of the circle they are to fit into.

What I claim is:

1. In building forms, a pair of enclosing block members each member having duplicate dimensioned and integrally formed sides and ends, means for detachably holding said duplicates assembled with a side and end in engagement with each other, an air space member, and positioning means on the ends of the block members tor holding the air space member.

2. In building forms, a pair of enclosing block members each member having its end and side integrally connected, means for detachably securing the side ot one member to the end of the other member, a removable air space partition having transverse slots. means for holding the partition in engagement with the said ends while spaced apart from the sides, and tie pieces adapted to enter the slots and project from the partition into the block space.

3. In building block forms, a pair of L shaped members each one constituting a side and an end, projections on the inner surface of the ends, a hollow partition member comprising two plates held in tapering relation to each other and adapted to be placed in engagement with the projections, and means for holding the parts in assembled relation.

i. In building block forms, a pair of term members adapted to define the outside limits of a block. means for holding said members in detachable engagement with each other in a self-aligning manner, and a removable hollow tapering wall partition supported within the enclosing space of the form members.

In building block forms, an enclosing receptacle open top and bottom, means for holding the receptacle in a two-part detachable relation. a hollow tapering partiion freely open at its top, bottom and ends,

and means for removably holding the said partition within the receptacle.

6. In building block forms, a pair of L shaped members, means for holding the members together in self alignment, a removable hollow tapering wall partition supported within the open space between the members,'and transverse partition plates adapted to divide the open space into sepa rate block compartments.

7. In building block forms, a pair of L shaped members each having an end and a side, means for holding said members attachably and detachably iii-engagement with each other, a hollow L shaped partition, and positioning means for said partition on one of the ends and on one of the sides.

8. In building block forms, an L shaped form member comprising an end and a side, partition positioning projections on the in ner face of the end, a handle on the exterior face of the end, a similar member, means for holding the two members in attachable and detachable relation to each other, and a holloW tapering partition movably supported on the inside of the assembled members While in engagement with the ends thereof and spaced apart from the sides.

9. In building block forms, an L- shaped form member comprising an end and a side, partition positioning projections on the inner face of the end, a similar member, means for holding the two members in attachable and detachable relation to each other, and

a hollow tapering partition removably supported on the inside of the assembled members while in engagement with the ends thereof and spaced apart from the sides.

In testimony whereof I afiiX my signature.

ROSCO DILLE. 

